#!/bin/sh
# tests for canonicalize-existing mode (readlink -e).

# Copyright (C) 2004, 2006-2011 Free Software Foundation, Inc.

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

. "${srcdir=.}/init.sh"; path_prepend_ ../src
print_ver_ readlink

pwd=`pwd`
my_pwd=$("$abs_top_builddir/src/pwd")
tmp=d

mkdir $tmp || framework_failure
cd $tmp || framework_failure

mkdir subdir removed || framework_failure
touch regfile || framework_failure

ln -s regfile link1 || framework_failure
ln -s subdir link2 || framework_failure
ln -s missing link3 || framework_failure
ln -s subdir/missing link4 || framework_failure

cd "$pwd/$tmp/removed" || framework_failure

# Skip this test if the system doesn't let you remove the working directory.
if rmdir ../removed 2>/dev/null; then
  v=`readlink -e .` && fail=1
  test -z "$v" || fail=1
fi

cd "$pwd/$tmp" || fail=1

for p in "" "$pwd/$tmp/"; do

  v=`readlink -e "${p}regfile"` || fail=1
  test "$v" = "$my_pwd/$tmp/regfile" || fail=1

  v=`readlink -e "${p}./regfile/"` && fail=1
  test -z "$v" || fail=1

  v=`readlink -e "${p}subdir"` || fail=1
  test "$v" = "$my_pwd/$tmp/subdir" || fail=1

  v=`readlink -e "${p}./subdir/"` || fail=1
  test "$v" = "$my_pwd/$tmp/subdir" || fail=1

  v=`readlink -e "${p}missing"` && fail=1
  test -z "$v" || fail=1

  v=`readlink -e "${p}./missing/"` && fail=1
  test -z "$v" || fail=1

  v=`readlink -e "${p}link1"` || fail=1
  test "$v" = "$my_pwd/$tmp/regfile" || fail=1

  v=`readlink -e "${p}./link1/"` && fail=1
  test -z "$v" || fail=1

  v=`readlink -e "${p}link1/more"` && fail=1
  test -z "$v" || fail=1

  v=`readlink -e "${p}link2"` || fail=1
  test "$v" = "$my_pwd/$tmp/subdir" || fail=1

  v=`readlink -e "${p}./link2/"` || fail=1
  test "$v" = "$my_pwd/$tmp/subdir" || fail=1

  v=`readlink -e "${p}link2/more"` && fail=1
  test -z "$v" || fail=1

  v=`readlink -e "${p}link3"` && fail=1
  test -z "$v" || fail=1

  v=`readlink -e "${p}./link3/"` && fail=1
  test -z "$v" || fail=1

  v=`readlink -e "${p}link3/more"` && fail=1
  test -z "$v" || fail=1

  v=`readlink -e "${p}link4"` && fail=1
  test -z "$v" || fail=1

  v=`readlink -e "${p}./link4/"` && fail=1
  test -z "$v" || fail=1

  v=`readlink -e "${p}link4/more"` && fail=1
  test -z "$v" || fail=1
done

Exit $fail
